fix(terminal): ignore left-release mouse action

if it is not proccesed by the terminal program
to prevent leaving Terminal mode after using
a mouse for window switching

closes #9483
closes #8691

1 files changed, 6 insertions, 0 deletions

diff --git a/src/nvim/terminal.c b/src/nvim/terminal.c
index afebda4948..c272fdb7b0 100644
--- a/src/nvim/terminal.c
+++ b/src/nvim/terminal.c
@@ -1296,6 +1296,12 @@ static bool send_mouse_event(Terminal *term, int c)
     return mouse_win == curwin;
   }
 
+  // ignore left release action if it was not proccessed above
+  // to prevent leaving Terminal mode after entering to it using a mouse
+  if (c == K_LEFTRELEASE && mouse_win->w_buffer->terminal == term) {
+    return false;
+  }
+
 end:
   ins_char_typebuf(c);
   return true;